{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18192",
    "entityType": "User",
    "nonce": "0x0b89efb4972de511f69f629949fd0f38e7048077b1234b2865139078f662138a",
    "signature": "0xcdc9cccf5e464cf72b9fc599d6e38855873f662f7b0483290b75af477a8391e01da2e5e08d4de0015a3c988d85423f9b509fc40dfadc283592c898331b49d15f1b",
    "signer": "0x79ccb48Cd9904479BB0E6049F3B3f83892bB049f",
    "userId": "744238923"
  }
}